279427920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 911941632

約数和(自身を除く): 632513712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 223, 227, 230, 240, 276, 345, 368, 446, 454, 460, 552, 669, 681, 690, 892, 908, 920, 1104, 1115, 1135, 1338, 1362, 1380, 1784, 1816, 1840, 2230, 2270, 2676, 2724, 2760, 3345, 3405, 3568, 3632, 4460, 4540, 5129, 5221, 5352, 5448, 5520, 6690, 6810, 8920, 9080, 10258, 10442, 10704, 10896, 13380, 13620, 15387, 15663, 17840, 18160, 20516, 20884, 25645, 26105, 26760, 27240, 30774, 31326, 41032, 41768, 50621, 51290, 52210, 53520, 54480, 61548, 62652, 76935, 78315, 82064, 83536, 101242, 102580, 104420, 123096, 125304, 151863, 153870, 156630, 202484, 205160, 208840, 246192, 250608, 253105, 303726, 307740, 313260, 404968, 410320, 417680, 506210, 607452, 615480, 626520, 759315, 809936, 1012420, 1164283, 1214904, 1230960, 1253040, 1518630, 2024840, 2328566, 2429808, 3037260, 3492849, 4049680, 4657132, 5821415, 6074520, 6985698, 9314264, 11642830, 12149040, 13971396, 17464245, 18628528, 23285660, 27942792, 34928490, 46571320, 55885584, 69856980, 93142640, 139713960, 279427920]

約数ペア:

[(1, 279427920), (2, 139713960), (3, 93142640), (4, 69856980), (5, 55885584), (6, 46571320), (8, 34928490), (10, 27942792), (12, 23285660), (15, 18628528), (16, 17464245), (20, 13971396), (23, 12149040), (24, 11642830), (30, 9314264), (40, 6985698), (46, 6074520), (48, 5821415), (60, 4657132), (69, 4049680), (80, 3492849), (92, 3037260), (115, 2429808), (120, 2328566), (138, 2024840), (184, 1518630), (223, 1253040), (227, 1230960), (230, 1214904), (240, 1164283), (276, 1012420), (345, 809936), (368, 759315), (446, 626520), (454, 615480), (460, 607452), (552, 506210), (669, 417680), (681, 410320), (690, 404968), (892, 313260), (908, 307740), (920, 303726), (1104, 253105), (1115, 250608), (1135, 246192), (1338, 208840), (1362, 205160), (1380, 202484), (1784, 156630), (1816, 153870), (1840, 151863), (2230, 125304), (2270, 123096), (2676, 104420), (2724, 102580), (2760, 101242), (3345, 83536), (3405, 82064), (3568, 78315), (3632, 76935), (4460, 62652), (4540, 61548), (5129, 54480), (5221, 53520), (5352, 52210), (5448, 51290), (5520, 50621), (6690, 41768), (6810, 41032), (8920, 31326), (9080, 30774), (10258, 27240), (10442, 26760), (10704, 26105), (10896, 25645), (13380, 20884), (13620, 20516), (15387, 18160), (15663, 17840)]